Your search for "PB-4OC3-4OC12-SON-SFP" revealed the following:

Juniper PB-4OC3-4OC12-SON-SFP M Series 4-Port 4 x SFP OC12/STM4 PIC Module

SKU: NSB-3546
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days